微针和皮下针插入的新型立体声DIC特征
Megan McNamee1,2, Thomas Pritchard1, Jacob Mitchell3
1Biomedical Engineering Simulation and Testing Laboratory, Swansea University, Swansea, United Kingdom.
Frontiers in bioengineering and biotechnology
|July 15, 2025
概括
空洞的微针阵列对皮肤的压力比皮下针减少75%,为药物输送提供了更温和的替代方案,并可能改善患者的舒适度.
科学领域:
- 生物医学工程 生物医学工程
- 材料科学 材料科学 材料科学
- 皮肤病学 皮肤病学
背景情况:
- 微针是用于无痛药物输送的最小侵入性设备.
- 在微针插入和下皮针插入期间量化皮肤应变对于设备开发至关重要.
研究的目的:
- 用于量化通过空心微针和25度皮下针对皮肤模仿膜施加的最大正常应变.
- 为了在插入过程中比较微针阵列和传统针之间的应变水平.
主要方法:
- 利用了一种新的数字图像相关性设置来进行应变量化.
- 经过测试的空洞微针阵列和25尺不钢下皮针.
- 在接触,变形,破裂和插入阶段分析了应变.
主要成果:
- 与25度皮下针相比,空心微针阵列显著降低了最大正常应变.
- 通过微针装置观察到最大正常应变的平均75%降低.
- 应变量被量化每针,使得设计优化为未来的微针代.
结论:
- 空洞的微针装置为通过皮肤输送药物提供了更温和的替代方案.
- 这些发现表明,与皮下注射针相比,患者舒适度提高,组织创伤减少.
- 量化菌株数据支持对先进的微针技术进行明智的设计选择.
更多相关视频
相关概念视频
Phase Contrast and Differential Interference Contrast Microscopy
Phase-Contrast Microscopes
In-phase-contrast microscopes, interference between light directly passing through a cell and light refracted by cellular components is used to create high-contrast, high-resolution images without staining. It is the oldest and simplest type of microscope that creates an image by altering the wavelengths of light rays passing through the specimen. Altered wavelength paths are created using an annular stop in the condenser. The annular stop produces a hollow cone of...
In-phase-contrast microscopes, interference between light directly passing through a cell and light refracted by cellular components is used to create high-contrast, high-resolution images without staining. It is the oldest and simplest type of microscope that creates an image by altering the wavelengths of light rays passing through the specimen. Altered wavelength paths are created using an annular stop in the condenser. The annular stop produces a hollow cone of...
Three-Dimensional Microscopy in Microbiology
Three-dimensional imaging techniques are essential in cell biology, allowing researchers to visualize intricate cellular structures with high resolution. Two prominent methods, Differential Interference Contrast Microscopy (DIC) and Confocal Scanning Laser Microscopy (CSLM), provide distinct advantages for imaging live and thick specimens, respectively.Differential Interference Contrast MicroscopyDIC microscopy enhances contrast in transparent, unstained samples by converting phase...


